The Fix it is an easy-to-use, one-click, full-strength solution any Internet Explorer user can install. It will not affect your ability to browse the Web, and it will provide full protection against this issue until an update is available.

Microsoft should be releasing an "out-of-band" patch for this tomorrow.

Microsoft will release the emergency update at approximately 1 p.m. ET Friday via the Microsoft Update and Windows Update services, as well as through WSUS (Windows Server Update Services), the de facto corporate patch deployment tool.